The <a href="http://www.dreyfussblackford.com/projectsDetail.jsp?id=64&amp;category=featured&amp;title=Featured%20Projects&amp;level=1">California Independent System Operator Headquarters</a> in Folsom opened earlier this past year ahead of schedule and under its $128 million budget. This non-profit company, which manages the electrical grid for the state, asked Sacramento-based <a href="http://www.dreyfussblackford.com/">Dreyfuss &amp; Blackford Architects</a> to design this behemoth complex for its headquarters. Keeping step with the energy-conscious movement in California, the 277,000 square-foot <a href="http://inhabitat.com/index.php?s=LEED+Platinum">LEED Platinum</a> building is a model of energy-efficient architecture that offers a first-class work environment.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The campus of the building is located in the rolling hillside of Folsom, and the native landscape, which includes many oak trees, was preserved during construction.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The project consists of three wings, each of which offers a distinct function and service for the company. The main lobby is located in the two-story public wing of the headquarters.

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California ISO Headquarters by Dreyfuss and Blackford Architects

Native landscaping was also installed around the building. In addition to preserving the site, <a href="http://www.clarkconstruction.com/">Clark Construction</a> reduced a significant amount of waste that would have been sent to the landfills by recycling material.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The building has a great mix of exterior and interior materials, and even though construction could have been complicated because of the wonderfully inspiring design, the building came in 3 months ahead of schedule.

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California ISO Headquarters by Dreyfuss and Blackford Architects

Louvered awnings projecting horizontally from the south facade help to keep the intense Folsom sun from heating up the building interiors too much.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The building itself was designed to use 72% less energy than the company's previous headquarter location.

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California ISO Headquarters by Dreyfuss and Blackford Architects

Twenty percent of annual energy is offset by the 750 kilowatts produced by rooftop and carport mounted <a href="http://inhabitat.com/solar-pocket-factory-diy-machine-can-print-a-solar-panel-every-15-seconds/">photovoltaic systems</a>.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The interior of the office wing exposes much of the structure of the building. The concrete beams and columns add a bit of grandeur to the interiors.

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California ISO Headquarters by Dreyfuss and Blackford Architects

Water use was reduced by 30% and gray water provides for 100% of the irrigation.

These techniques and systems help to make the California ISO Headquarters a leader in sustainability.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The mission-critical wing takes care of grid support functions with a 40,000-square-foot data center full of state of the art high-efficiency equipment.

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California ISO Headquarters by Dreyfuss and Blackford Architects

This non-profit company manages the electrical grid for the state of California. This is a very big task.

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California ISO Headquarters by Dreyfuss and Blackford Architects

The California Independent System Operator Headquarters in Folsom opened earlier this past year ahead of schedule and under its $128 million budget. This non-profit company, which manages the electrical grid for the state, asked Sacramento-based Dreyfuss & Blackford Architects to design this behemoth complex for its headquarters. Keeping step with the energy-conscious movement in California, the 277,000 square-foot LEED Platinum building is a model of energy-efficient architecture that offers a first-class work environment.